twyllodrus

== Welsh == === Alternative forms === tywyllodrus — Denbighshire, as if from tywyllu (“to darken”) === Etymology === Inherited from Middle Welsh tvyllodrus, built from Middle Welsh tvyll (“deception”) + awdur (“author”) + -us. === Pronunciation === (North Wales) IPA(key): /tʊɨ̯ˈɬɔdrɨ̞s/ (South Wales) IPA(key): /tʊi̯ˈɬɔdrɪs/ === Adjective === twyllodrus (first-person singular present mwyaf) deceitful, underhand, treacherous Synonyms: dichellgar, chwannog, bradwrus, ffug === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “twyllodrus”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “twyllodrus”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies